title: Control of Clostridium perfringens vaccines using an indirect competitive ELISA for the epsilon toxin component - examination of the assay by a collaborative study.
mesh_terms: D000818:Animals; D001427:Bacterial Toxins / Q000097:blood / Q000276:immunology*; D001428:Bacterial Vaccines / Q000276:immunology*; D003016:Clostridium perfringens / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D005060:Europe; D007391:International Cooperation; D010602:Pharmacopoeias as Topic / Q000592:standards; D011786:Quality Control; D011817:Rabbits; D012015:Reference Standards; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity
chemical_list: D001427:Bacterial Toxins; D001428:Bacterial Vaccines; C039811:Clostridium perfringens epsilon-toxin